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Methyl Sulfonyl Methane

Methyl Sulfonyl Methane, or MSM, is an organic sulfur compound found naturally in some foods and plants. In skincare, it is often used for its potential to soothe skin and support a healthy skin barrier. It is generally well-tolerated and can be found in various topical formulations.

NoneSkin conditionerVeganEvidence: Medium
BenefitModerate 1.5 / 4
Soothing i2.5 / 4

Whether it can calm the skin — linked to less redness, irritation, discomfort, or visible reactivity.

Texture i1 / 4

Whether it can improve smoothness and surface texture — roughness, flaking, clogged pores, or unevenness. Exfoliating acids, retinoids, and smoothing moisturizers may score here.

Uv protection i0.5 / 4

Whether it provides direct protection against UV radiation.

RiskLow 0.5 / 4
Irritation i0.5 / 4

Risk of short-term irritation — stinging, burning, dryness, redness, or discomfort. Common for strong actives, acids, retinoids, fragrances, and harsh surfactants.

Rated by SpottyLabs' ingredient methodology, independent of brands.

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Frequently asked questions

What is MSM?
MSM (Methyl Sulfonyl Methane) is a sulfur-containing compound found in nature, often used in supplements and topical products for its anti-inflammatory properties.
Can MSM help with sensitive skin?
Yes, MSM is often included in formulations for sensitive skin due to its potential to reduce redness and soothe irritation.